# 2023 US Open – Boys' singles

João Fonseca won the boys' singles title at the 2023 US Open, defeating Learner Tien in the final, 4–6, 6–4, 6–3.
Martín Landaluce was the reigning champion, but chose not to participate.

## Seeds

    01. Yaroslav Demin (third round)
    02. Rodrigo Pacheco Méndez (quarterfinals)
    03. Cooper Williams (quarterfinals)
    04. Henry Searle (second round)
    05. Juan Carlos Prado Ángelo (second round)
    06. Iliyan Radulov (first round)
    07. João Fonseca (champion)
    08. Darwin Blanch (third round)
    09. Zhou Yi (quarterfinals)
    10. Branko Đurić (first round)
    11. Learner Tien (final)
    12. Tomasz Berkieta (first round)
    13. Joel Schwärzler (first round)
    14. Federico Cinà (semifinals)
    15. Arthur Géa (semifinals)
    16. Alejandro Melero Kretzer (first round)
Click on the seed number of a player to go to their draw section.

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| 14 | Federico Cinà | 6 | 6 | | | | | | | | | | | |
| 9 | Zhou Yi | 2 | 2 | | | | | | | | | | | |
| 9 | Zhou Yi | 2 | 2 | | 14 | Federico Cinà | 4 | 6 | 4 | | | | | |
| | | | | | 7 | João Fonseca | 6 | 3 | 6 | | | | | |
| 3 | Cooper Williams | 6$^8$ | 6 | 3 | 7 | João Fonseca | 6 | 3 | 6 | | | | | |
| 7 | João Fonseca | 7$^{10}$ | 3 | 6 | | | | | | | | | | |
| 7 | João Fonseca | 7$^{10}$ | 3 | 6 | | | | | | 7 | João Fonseca | 4 | 6 | 6 |
| | | | | | | | | | | 11 | Learner Tien | 6 | 4 | 3 |
| WC | Alexander Frusina | 4 | 3 | | | | | | | | | | | | 11 | Learner Tien | 6 | 4 | 3 |
| 15 | Arthur Géa | 6 | 6 | | | | | | | | | | | |
| 15 | Arthur Géa | 6 | 6 | | 15 | Arthur Géa | 6$^5$ | 7$^7$ | 1 | | | | | |
| | | | | | 11 | Learner Tien | 7$^7$ | 6$^5$ | 6 | | | | | |
| 11 | Learner Tien | 4 | 6 | 7 | 11 | Learner Tien | 7$^7$ | 6$^5$ | 6 | | | | | |
| 2 | Rodrigo Pacheco Méndez | 6 | 0 | 5 | | | | | | | | | | |

### Top half
#### Section 1

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| 1 | Yaroslav Demin | 7 | 6 | | | | | | | | | | | | | | | |
| | Oliver Bonding | 5 | 4 | | 1 | Y Demin | 7$^7$ | 6 | | | | | | | | | | |
| WC | Maxwell Exsted | 7$^{10}$ | 1 | 2 | | H Jones | 6$^1$ | 4 | | | | | | | | | | |
| | Hayden Jones | 6$^8$ | 6 | 6 | | | | | | 1 | Y Demin | 3 | 6 | 6$^8$ | | | | |
| Q | Aryan Shah | 6 | 3 | 2 | | | | | | 14 | F Cinà | 6 | 3 | 7$^{10}$ | | | | |
| | Kyle Kang | 4 | 6 | 6 | | K Kang | 6$^5$ | 6 | 1 | | | | | | | | | |
| Q | Park Seung-min | 6$^4$ | 3 | | 14 | F Cinà | 7$^7$ | 3 | 6 | | | | | | | | | |
| 14 | Federico Cinà | 7$^7$ | 6 | | | | | | | | | | | | 14 | F Cinà | 6 | 6 |
| 9 | Zhou Yi | 6 | 6 | | | | | | | | | | | | 9 | Y Zhou | 2 | 2 |
| | Lasse Pörtner | 4 | 3 | | 9 | Y Zhou | 6$^2$ | 6 | 7$^{10}$ | | | | | | | | | |
| WC | Zhengqing Ji | 6 | 5 | 3 | | M Mrva | 7$^7$ | 2 | 6$^8$ | | | | | | | | | |
| | Maxim Mrva | 3 | 7 | 6 | | | | | | 9 | Y Zhou | 6 | 6 | | | | | |
| | Roy Horovitz | 3 | 6 | 6 | | | | | | | R Sakamoto | 2 | 4 | | | | | |
| Q | Atakan Karahan | 6 | 2 | 4 | | R Horovitz | 7$^8$ | 6$^3$ | 4 | | | | | | | | | |
| | Rei Sakamoto | 7$^7$ | 6 | | | R Sakamoto | 6$^6$ | 7$^7$ | 6 | | | | | | | | | |
| 6 | Iliyan Radulov | 6$^3$ | 4 | | | | | | | | | | | | | | | |

#### Section 2

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| 3 | Cooper Williams | 6 | 6 | | | | | | | | | | | | | | | |
| | Gabriele Vulpitta | 1 | 0 | | 3 | C Williams | 6 | 3 | 7$^{10}$ | | | | | | | | | |
| LL | Markus Mölder | 6 | 7$^7$ | | LL | M Mölder | 2 | 6 | 6$^7$ | | | | | | | | | |
| | Paul Barbier Gazeu | 4 | 6$^5$ | | | | | | | 3 | C Williams | 6 | 6 | | | | | |
| WC | Adhithya Ganesan | 6 | 6 | | | | | | | WC | A Ganesan | 0 | 1 | | | | | |
| | Max Dahlin | 2 | 3 | | WC | A Ganesan | 7$^7$ | 7$^7$ | | | | | | | | | | |
| | Jan Hrazdil | 3 | 6 | 6 | | J Hrazdil | 6$^5$ | 6$^3$ | | | | | | | | | | |
| 16 | Alejandro Melero Kretzer | 6 | 3 | 4 | | | | | | | | | | 3 | C Williams | 6$^8$ | 6 | 3 |
| 10 | Branko Đurić | 4 | 4 | | | | | | | | | | | 7 | J Fonseca | 7$^{10}$ | 3 | 6 |
| Q | Fabio De Michele | 6 | 6 | | Q | F De Michele | 7$^7$ | 3 | 6 | | | | | | | | | |
| WC | Matthew Forbes | 6 | 6 | | WC | M Forbes | 6$^3$ | 6 | 3 | | | | | | | | | |
| | Matic Križnik | 3 | 2 | | | | | | | Q | F De Michele | 3 | 4 | | | | | |
| | Patrick Schön | 6 | 6 | | | | | | | 7 | J Fonseca | 6 | 6 | | | | | |
| SE | Cooper Woestendick | 3 | 4 | | | P Schön | 3 | 2 | | | | | | | | | | |
| | Mees Röttgering | 3 | 4 | | 7 | J Fonseca | 6 | 6 | | | | | | | | | | |
| 7 | João Fonseca | 6 | 6 | | | | | | | | | | | | | | | |

### Bottom half
#### Section 3

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| 8 | Darwin Blanch | 4 | 6 | 6 | | | | | | | | | | | | | |
| | Charlie Camus | 6 | 3 | 4 | 8 | D Blanch | 7$^7$ | 7$^8$ | | | | | | | | | |
| | Kevin Edengren | 3 | 6$^6$ | | | O Ojakäär | 6$^4$ | 6$^6$ | | | | | | | | | |
| | Oliver Ojakäär | 6 | 7$^8$ | | | | | | | 8 | D Blanch | 3 | 3 | | | | |
| WC | Alexander Frusina | 6 | 7$^7$ | | | | | | | WC | A Frusina | 6 | 6 | | | | |
| Q | Zhang Tianhui | 4 | 6$^2$ | | WC | A Frusina | 6 | 6 | | | | | | | | | |
| | Nicolai Budkov Kjær | 6 | 6 | | | N Budkov Kjær | 2 | 3 | | | | | | | | | |
| 12 | Tomasz Berkieta | 4 | 3 | | | | | | | | | | | WC | A Frusina | 4 | 3 |
| 15 | Arthur Géa | 6 | 6 | | | | | | | | | | | 15 | A Géa | 6 | 6 |
| | Kaylan Bigun | 0 | 4 | | 15 | A Géa | 7$^7$ | 7$^7$ | | | | | | | | | |
| | Federico Bondioli | 3 | 6 | 6 | | F Bondioli | 6$^5$ | 6$^5$ | | | | | | | | | |
| | Jakub Filip | 6 | 3 | 2 | | | | | | 15 | A Géa | 6 | 6 | | | | |
| Q | Roh Ho-young | 1 | 4 | | | | | | | WC | T Svajda | 3 | 4 | | | | |
| WC | Trevor Svajda | 6 | 6 | | WC | T Svajda | 7 | 4 | 6 | | | | | | | | |
| | Yuvan Nandal | 6$^3$ | 3 | | 4 | H Searle | 5 | 6 | 4 | | | | | | | | |
| 4 | Henry Searle | 7$^7$ | 6 | | | | | | | | | | | | | | |

#### Section 4

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| 5 | Juan Carlos Prado Ángelo | 6 | 6 | | | | | | | | | | | | | | | |
| | Fernando Cavallo | 3 | 4 | | 5 | JC Prado Ángelo | 4 | 3 | | | | | | | | | | |
| SE | Carlo Alberto Caniato | 2 | 6 | 6 | SE | CA Caniato | 6 | 6 | | | | | | | | | | |
| | Alexander Razeghi | 6 | 2 | 3 | | | | | | SE | CA Caniato | 4 | 3 | | | | | |
| | Hayato Matsuoka | 6 | 6$^5$ | 4 | | | | | | 11 | L Tien | 6 | 6 | | | | | |
| | Sebastian Eriksson | 4 | 7$^7$ | 6 | | S Eriksson | 6$^5$ | 4 | | | | | | | | | | |
| | Abel Forger | 2 | 4 | | 11 | L Tien | 7$^7$ | 6 | | | | | | | | | | |
| 11 | Learner Tien | 6 | 6 | | | | | | | | | | | 11 | L Tien | 4 | 6 | 7 |
| 13 | Joel Schwärzler | 5 | 6$^5$ | | | | | | | | | | | 2 | R Pacheco Méndez | 6 | 0 | 5 |
| Q | Pavle Marinkov | 7 | 7$^7$ | | Q | P Marinkov | 6 | 3 | 6 | | | | | | | | | |
| WC | Cyrus Mahjoob | 6$^2$ | 6 | 6$^5$ | | D Panarin | 3 | 6 | 4 | | | | | | | | | |
| | Danil Panarin | 7$^7$ | 3 | 7$^{10}$ | | | | | | Q | P Marinkov | 4 | 4 | | | | | |
| Q | Rafael Jódar | 2 | 4 | | | | | | | 2 | R Pacheco Méndez | 6 | 6 | | | | | |
| WC | Nishesh Basavareddy | 6 | 6 | | WC | N Basavareddy | 6 | 3 | 2 | | | | | | | | | |
| | Kim Jang-jun | 2 | 4 | | 2 | R Pacheco Méndez | 3 | 6 | 6 | | | | | | | | | |
| 2 | Rodrigo Pacheco Méndez | 6 | 6 | | | | | | | | | | | | | | | |

## Qualifying
### Seeds

* Rafael Jódar (qualified)
* Pavle Marinkov (qualified)
* Zhang Tianhui (qualified)
* Aryan Shah (qualified)
* Volodymyr Iakubenko (qualifying competition)
* Charlie Robertson (first round)
* Fabio De Michele (qualified)
* Roh Ho-young (qualified)
* Albert Saar (qualifying competition)
* Gustavo Ribeiro de Almeida (first round)
* Atakan Karahan (qualified)
* Manas Dhamne (first round)
* Ignacio Parisca (qualifying competition)
* Markus Mölder (qualifying competition, lucky loser)
* Ilyas Milad Fahim (first round)
* Luca Pow (qualifying competition)

### Qualifiers

* Rafael Jódar
* Pavle Marinkov
* Zhang Tianhui
* Aryan Shah
* Atakan Karahan
* Park Seung-min
* Fabio De Michele
* Roh Ho-young

### Lucky loser

* Markus Mölder

### Draw
#### First qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Rafael Jódar | 6 | 6 | | | | |
| | Jeremy Zhang | 3 | 4 | | | | |
| | Jeremy Zhang | 3 | 4 | 1 | Rafael Jódar | 6 | 6 |
| | | | | 16 | Luca Pow | 4 | 2 |
| | Henrique Costanzi De Brito | 4 | 4 | 16 | Luca Pow | 4 | 2 |
| 16 | Luca Pow | 6 | 6 | | | | |

#### Second qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Pavle Marinkov | 6 | 3 | [11] | | | | |
| WC | Carel Aubriel Ngounoue | 2 | 6 | [9] | | | | |
| WC | Carel Aubriel Ngounoue | 2 | 6 | [9] | 2 | Pavle Marinkov | 6 | 6 |
| | | | | | 13 | Ignacio Parisca | 0 | 2 |
| | Théo Papamalamis | 6 | 3 | [5] | 13 | Ignacio Parisca | 0 | 2 |
| 13 | Ignacio Parisca | 1 | 6 | [10] | | | | |

#### Third qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Zhang Tianhui | 7$^7$ | 6 | | | | | |
| | Thanaphat Boosarawongse | 6$^2$ | 3 | | | | | |
| | Thanaphat Boosarawongse | 6$^2$ | 3 | | 3 | Zhang Tianhui | 7 | 6 |
| | | | | | 9 | Albert Saar | 5 | 2 |
| WC | Nikita Filin | 6 | 4 | [4] | 9 | Albert Saar | 5 | 2 |
| 9 | Albert Saar | 4 | 6 | [10] | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Aryan Shah | 6 | 6 | | | | | |
| WC | Stiles Brockett | 4 | 4 | | | | | |
| WC | Stiles Brockett | 4 | 4 | 4 | Aryan Shah | 6 | 0 | [10] |
| | | | | 14 | Markus Mölder | 4 | 6 | [5] |
| | Máximo Zeitune | 6$^5$ | 5 | 14 | Markus Mölder | 4 | 6 | [5] |
| 14 | Markus Mölder | 7$^7$ | 7 | | | | | |

#### Fifth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 5 | Volodymyr Iakubenko | 6 | 6 | | | | | |
| WC | Jagger Leach | 3 | 4 | | | | | |
| WC | Jagger Leach | 3 | 4 | | 5 | Volodymyr Iakubenko | 4 | 0 |
| | | | | | 11 | Atakan Karahan | 6 | 6 |
| | Reiya Hattori | 7$^7$ | 3 | [6] | 11 | Atakan Karahan | 6 | 6 |
| 11 | Atakan Karahan | 6$^1$ | 6 | [10] | | | | |

#### Sixth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 6 | Charlie Robertson | 3 | 2 | | | | | |
| | Park Seung-min | 6 | 6 | | | | | |
| | Park Seung-min | 6 | 6 | | Park Seung-min | 0 | 6 | [10] |
| | | | | | Andrew Delgado | 6 | 0 | [7] |
| | Andrew Delgado | 3 | 7$^7$ | [10] | Andrew Delgado | 6 | 0 | [7] |
| 15 | Ilyas Milad Fahim | 6 | 6$^3$ | [7] | | | | |

#### Seventh qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 7 | Fabio De Michele | 6 | 6 | | | | | |
| WC | Shunya Takekata | 0 | 2 | | | | | |
| WC | Shunya Takekata | 0 | 2 | 7 | Fabio De Michele | 6 | 1 | [10] |
| | | | | WC | Calvin Baierl | 3 | 6 | [4] |
| WC | Calvin Baierl | 6 | 6 | WC | Calvin Baierl | 3 | 6 | [4] |
| 10 | Gustavo Ribeiro de Almeida | 3 | 2 | | | | | |

#### Eighth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 8 | Roh Ho-young | 6 | 2 | [10] | | | | | |
| | Segundo Goity Zapico | 4 | 6 | [0] | | | | | |
| | Segundo Goity Zapico | 4 | 6 | [0] | 8 | Roh Ho-young | 3 | 7$^7$ | [10] |
| | | | | | | Nicolas Oliveira | 6 | 6$^5$ | [3] |
| | Nicolas Oliveira | 6 | 4 | [10] | | Nicolas Oliveira | 6 | 6$^5$ | [3] |
| 12 | Manas Dhamne | 3 | 6 | [6] | | | | | |